ASN AS52951 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS52951?

AS52951 is listed under SISTEMAS OPTICOS PAULISTA LTDA.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS52951 SISTEMAS OPTICOS PAULISTA LTDA

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Legacy Routes

SISTEMAS OPTICOS PAULISTA LTDA netflexbr.com

BR 41 Routes

AS Data

AS52951

AS52951 – SISTEMAS OPTICOS PAULISTA LTDA

AS Number	52951
AS Name	65.784.266/0001-18
Organization	SISTEMAS OPTICOS PAULISTA LTDA
Country	BR
Website	netflexbr.com
Number of IPv4 Routes	35
Number of IPv6 Routes	6
ASN type	ISP
Registry	lacnic
Date Allocated	2011-01-11

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Use ASN data for AS52951 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
143.0.204.0/24	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	256
177.11.180.0/24	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	256
170.79.166.0/24	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	256
177.11.176.0/23	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	512
177.11.177.0/24	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	256
177.11.176.0/22	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	1024
186.250.140.0/24	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	256
2804:2928::/32	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	~79×10²⁷
177.11.181.0/24	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	256
177.11.176.0/21	AS52951	SISTEMAS OPTICOS PAULISTA LTDA	SISTEMAS OPTICOS PAULISTA LTDA	2048

Raw Whois Response

% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-04-08T09:35:15-03:00 - 136.227.184.174

aut-num:     AS52951
owner:       SISTEMAS OPTICOS PAULISTA LTDA
ownerid:     65.784.266/0001-18
responsible: RAFAEL FERNANDO PIRES
country:     BR
owner-c:     RAFPI182
routing-c:   RAFPI182
abuse-c:     RAFPI182
created:     20110111
changed:     20260401
inetnum:     177.11.176.0/21
inetnum:     186.250.140.0/22
inetnum:     143.0.204.0/22
inetnum:     2804:2928::/32
inetnum:     170.79.164.0/22

nic-hdl-br:  RAFPI182
person:      Rafael Fernando Pires
e-mail:      rafaelpires@netflexbr.com
country:     BR
created:     20260401
changed:     20260401

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS52951",
    "country" : "BR",
    "admin_contacts" : [ "RAFPI182" ],
    "tech_contacts" : [ "RAFPI182" ],
    "abuse_contacts" : [ "RAFPI182" ],
    "date_created" : "2011-01-11",
    "date_updated" : "2026-04-01",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "65.784.266/0001-18",
    "name" : "SISTEMAS OPTICOS PAULISTA LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "RAFPI182" ],
    "date_created" : "2011-01-11",
    "date_updated" : "2026-04-01",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "RAFPI182",
    "country" : "BR",
    "email" : [ "rafaelpires@netflexbr.com" ],
    "date_created" : "2026-04-01",
    "date_updated" : "2026-04-01",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "RAFPI182",
    "country" : "BR",
    "email" : [ "rafaelpires@netflexbr.com" ],
    "date_created" : "2026-04-01",
    "date_updated" : "2026-04-01",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "RAFPI182",
    "country" : "BR",
    "email" : [ "rafaelpires@netflexbr.com" ],
    "date_created" : "2026-04-01",
    "date_updated" : "2026-04-01",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS11432	Telium Telecomunicaï¿½ï¿½es Ltda	BR
AS7195	EDGEUNO S.A.S	CO
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS60602	Inovare-Prim SRL	MD
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS269416	SEMEAR TELECOM EIRELI	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS272713	CDN Star Ltda	BR
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS35280	F5 Networks SARL	FR
AS22381	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS7713	Telekomunikasi Indonesia PT	ID

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ASN Summary

AS52951 – SISTEMAS OPTICOS PAULISTA LTDA

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IP Ranges

Raw Whois Response

Parsed Whois Response

Peers

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